Home / 12,747.39-19,123.04-6,504.00

Finding the Fourth Proportional to 12,747.39, 19,123.04 and 6,504.00

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Solution

The fourth proportional to 12,747.39, 19,123.04 and 6,504.00 is: 9,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.39 : 19,123.04 = 6,504.00 : x
  2. Step 2: Convert to fraction form
    12,747.39/19,123.04 = 6,504.00/x
  3. Step 3: Cross multiply
    12,747.39x = 19,123.04 × 6,504.00
  4. Step 4: Simplify right side
    12,747.39x = 124,376,160.12
  5. Step 5: Solve for x
    x = 124,376,160.12/12,747.39
  6. Step 6: Final answer
    x = 9,756.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.